[
US
/ˌpaɪəˈnɪɹ/
]
[ UK /paɪənˈiə/ ]
[ UK /paɪənˈiə/ ]
Synonyms
A engineer of the military.
miner
sapper
fortification engineer
member of demolition squad
bridge builder
road builder
also engineer
One of the first on the way
Quiz
Words Related To pioneer